Metal piling.



PATENTED MAY 19, 1908.

J. J. HAROLD. METAL FILING.

APPLICATION FILED BIIPT. a, 1905.

2 BHEETSBHBET 1.

q mtwzo ea In: NURRI! FEYERS co. WASHINGTON. u. c.

PATENTED MAY 19, 1908.

J. J. HAROLD.

METAL PILING. APPLIUATION FILED SEPT. 9, 1905.

2 SHEETS-SHEET 2.

messes UNITED srarns Parana OFFICE.

JAMES J. HAROLD. OF JERSEY CIT Y, NEW JERSEY, ASSIG-NOR, BY MESNEASSIGNMENTS,

TO EDWARD A. BERN,

METAL OF CHICAGO, ILLINOIS.

FILING.

Patented May 19, 1908.

Application filed September 9, 1905. Serial No. 277,671.

To all whom it may concern:

Be it known that I, JAMES J. IfAROLD, a citizen of the United States ofAmerica, residing at Jersey City, in the county of Hudson and State ofNew Jersey, have invented certain new and useful improvements in MetalPiling, of which the following is a specification, reference being hadtherein to the accompanying drawing.

My invention relates to improvements in metallic piling as used insubway, foundation and irrigation work, dams, mine-shafts, caissons,sea-walls, locks, co'fl'er-dams, retainingwalis, and other structuresand comprises flanged beams of interlocking shapes to be hereinaftermore fully described.

Referring to the accompanying drawings, Figure 1 shows a run of mypiling comprising interlocking beams provided with a ridge on one sideand a recess on the other, and Fig. 2 is a section in perspective of oneof the beams of the same. Fig. 3 shows beams provided with a recess ineach side interlocking with beams provided with a ridge on each side,Fig. 4 shows beams provided with a recess in each side adapted toreceive interlocking strips, Fig. 5 is a modification of Fig. 3 show ingcurved flanges on opposite sides of each. beam, Fig. 6 is a modificationof Fig. 4 showing curved flanges on opposite sides of each beam, Fig. 7is a modification of Fig. 1 showing curved flanges on the same side ofeach beam. and Fig. 8 is a run of the piling comprising a combination ofthe beams shown in the first seven figures.

My special shaped beam is formed with straight and curved flanges at thesides and edges and is provided with ridges and recesses, or recessesand interlocking strips for securely joining the beams together.

AA are the straight flanges, B the web, CC the curved flanges, l) theridges, and E the recesses of the beams. F are the interlocking strips.

The straight flanges are substantially at right angles to the web of thebeam and the curved flanges terminate in a bend or hook turned outwardlytherefrom. The ridges or projections or the interlocking strips engagethe recesses of adjoining beams and the combination is free to slidewithin each other and are driven into place in the usual manner.

Modifications may be made without departing from the spirit of myinvention.

Having described my invention, what I claim as new and desire to secureby Letters Patent, is:

l n piling, a membercomprising a web portion, a transverse flange ateach end thereof, one end of each flange terminating in a hook, theopposite end of each flange remaining normal to engage the recess of thehook of an adjacent section, and ridges and recesses for keying saidmembers together.

In testimony whereof I affix my signature in presence of two witnesses.

JAMES J. HAROLD. \Vitnesses:

MARGARET ERTLE, THOMAS A. HILL.

